When comparing Polycode vs Paradox 3D, the Slant community recommends Polycode for most people. In the question“What are the best 2D game engines?”Polycode is ranked 34th while Paradox 3D is ranked 66th. The most important reason people chose Polycode is:

Polycode uses Lua and C++ to create native applications for Windows, Mac, and Linux. Mobile platforms are planned for the future.